<template>
    <div class="base-b">
        <div>我是B组件(发布方)</div>

        <button @click="sendMsg">发送消息</button>

    </div>

</template>

<script>
import Bus from '@/util/EventBus';

export default {
    methods: {
        sendMsg() {
            Bus.$emit('sendMessage', '2025年7月9号,天气晴朗')
        }
    }
}
</script>

<style scoped>
.base-b {
    width: 200px;
    height: 200px;
    border: 3px solid #000;
    border-radius: 3px;
    margin: 10px;
}
</style>
